Process of boiling sugar solutions.



UNITED STATES Patented J une 2, 1903.

PATENT OFFICE.

PROCESS OF BOILING SUGARSOLU' FION S.

SPECIFICATION forming part of Letters Patent No; 730,111, dated June 2, 190B. Application filed February 2,1903. sense No. 141,496. (No specimens.)

To all-whom it may concern:

Be it known that 1, AUGUST GRAN'rznoRF- FER, a subject of the Emperor of Germany,

residing at Magdeburg, Prussia, Empire of Germany, have invented certain new and use-' ful Improvements in the Process of Boiling Sugar Solutions, of which the following is a specification.

erably atfrom 79 to 81 centigrade, The carbonic acid must be heated previously to the same temperature. By this means the am.-

monia which is formed during the boiling and separates out, deteriorating the quality of the sugar, is converted into the easily-volatilized carbonate of ammonia.

I As the use of carbonic acid allows of a higher boiling temperature than is otherwise "adn1issible,'-the separation of non-saccharine substances is avoided or diminished, i and the more vigorous evaporatlomwhich s support allows a portion of the non-saccharine substances to escape from the vacuum-pan.

' The result. of the process as established by the experiments wasas follows: In the-ordinary process the ash contents of the sugar was 1.35 percent, and where the process hereinbefore described was employed it amounted.

AUGUST ,eRAN'rznoRrrER.

Witnesses:

.WILHELM LEHRKE,

JULIUS SEoKEL.

ed by the escaping carbonate of' ammonia, 

